EP4242442A3 - Système d'engrenage d'entraînement de ventilateur - Google Patents
Système d'engrenage d'entraînement de ventilateur Download PDFInfo
- Publication number
- EP4242442A3 EP4242442A3 EP23189066.6A EP23189066A EP4242442A3 EP 4242442 A3 EP4242442 A3 EP 4242442A3 EP 23189066 A EP23189066 A EP 23189066A EP 4242442 A3 EP4242442 A3 EP 4242442A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- gear system
- drive gear
- fan drive
- fan section
- star gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/107—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/40—Transmission of power
- F05D2260/403—Transmission of power through the shape of the drive components
- F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/612,514 US11067005B2 (en) | 2015-02-03 | 2015-02-03 | Fan drive gear system |
EP16154045.5A EP3054139B8 (fr) | 2015-02-03 | 2016-02-03 | Système d'engrenage d'entraînement de soufflante |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16154045.5A Division EP3054139B8 (fr) | 2015-02-03 | 2016-02-03 | Système d'engrenage d'entraînement de soufflante |
EP16154045.5A Division-Into EP3054139B8 (fr) | 2015-02-03 | 2016-02-03 | Système d'engrenage d'entraînement de soufflante |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4242442A2 EP4242442A2 (fr) | 2023-09-13 |
EP4242442A3 true EP4242442A3 (fr) | 2023-11-22 |
Family
ID=55304887
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23189066.6A Pending EP4242442A3 (fr) | 2015-02-03 | 2016-02-03 | Système d'engrenage d'entraînement de ventilateur |
EP16154045.5A Active EP3054139B8 (fr) | 2015-02-03 | 2016-02-03 | Système d'engrenage d'entraînement de soufflante |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16154045.5A Active EP3054139B8 (fr) | 2015-02-03 | 2016-02-03 | Système d'engrenage d'entraînement de soufflante |
Country Status (2)
Country | Link |
---|---|
US (2) | US11067005B2 (fr) |
EP (2) | EP4242442A3 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8753243B2 (en) * | 2006-08-15 | 2014-06-17 | United Technologies Corporation | Ring gear mounting arrangement with oil scavenge scheme |
US9752500B2 (en) * | 2013-03-14 | 2017-09-05 | Pratt & Whitney Canada Corp. | Gas turbine engine with transmission and method of adjusting rotational speed |
US10669948B2 (en) | 2017-01-03 | 2020-06-02 | Raytheon Technologies Corporation | Geared turbofan with non-epicyclic gear reduction system |
EP3354882B1 (fr) | 2017-01-30 | 2021-03-17 | GE Avio S.r.l. | Procédé et système de connexion d'une boîte de vitesses de moteur de turbine à la partie centrale du moteur |
EP3354847B1 (fr) * | 2017-01-30 | 2023-03-08 | GE Avio S.r.l. | Arbre de couplage flexible pour moteur à turbine |
GB201704502D0 (en) * | 2017-03-22 | 2017-05-03 | Rolls Royce Plc | Gas turbine engine |
US10428928B2 (en) | 2017-03-24 | 2019-10-01 | Hamilton Sundstrand Corporation | Lubrication system for high speed gearbox operating in zero gravity |
US20190162134A1 (en) * | 2017-11-28 | 2019-05-30 | United Technologies Corporation | Retention of a nozzle assembly for an engine |
US11542989B2 (en) | 2017-11-30 | 2023-01-03 | Rolls-Royce Deutschland Ltd & Co Kg | Coupling device for rotably coupling a shaft with a gearbox in a geared turbo fan engine |
GB201802401D0 (en) * | 2018-02-14 | 2018-03-28 | Rolls Royce Plc | A Driveshaft |
US20200095930A1 (en) * | 2018-09-20 | 2020-03-26 | Honeywell International Inc. | Variable gear ratio gas turbine engine system |
FR3097011B1 (fr) * | 2019-06-06 | 2022-02-18 | Safran Aircraft Engines | Reducteur planetaire pour une turbomachine d’aeronef |
US11162575B2 (en) | 2019-11-20 | 2021-11-02 | Raytheon Technologies Corporation | Geared architecture for gas turbine engine |
IT202100015386A1 (it) | 2021-06-11 | 2022-12-11 | Ge Avio Srl | Turbomacchine e gruppi ad ingranaggi epicicloidali con canali di lubrificazione |
FR3137720A1 (fr) * | 2022-07-07 | 2024-01-12 | Safran Aircraft Engines | Dispositif de recuperation d’huile pour une turbomachine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5010729A (en) * | 1989-01-03 | 1991-04-30 | General Electric Company | Geared counterrotating turbine/fan propulsion system |
US6381948B1 (en) * | 1998-06-26 | 2002-05-07 | Mtu Aero Engines Gmbh | Driving mechanism with counter-rotating rotors |
US8297916B1 (en) * | 2011-06-08 | 2012-10-30 | United Technologies Corporation | Flexible support structure for a geared architecture gas turbine engine |
WO2014011245A2 (fr) * | 2012-03-23 | 2014-01-16 | United Technologies Corporation | Agencement de système d'engrenage planétaire ayant un système d'huile auxiliaire |
US20140271135A1 (en) * | 2013-03-15 | 2014-09-18 | United Technologies Corporation | Turbofan Engine Bearing and Gearbox Arrangement |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2154532A (en) * | 1936-05-14 | 1939-04-18 | United Aircraft Corp | Propeller drive for oppositely rotating coaxial propellers |
US2583872A (en) * | 1947-08-02 | 1952-01-29 | United Aircraft Corp | Gas turbine power plant, including planetary gearing between a compressor, turbine, and power consumer |
US5102379A (en) | 1991-03-25 | 1992-04-07 | United Technologies Corporation | Journal bearing arrangement |
US5389048A (en) | 1993-03-24 | 1995-02-14 | Zexel-Gleason Usa, Inc. | Parallel-axis differential with triplet combination gears |
US5466198A (en) | 1993-06-11 | 1995-11-14 | United Technologies Corporation | Geared drive system for a bladed propulsor |
US5433674A (en) * | 1994-04-12 | 1995-07-18 | United Technologies Corporation | Coupling system for a planetary gear train |
US5685797A (en) | 1995-05-17 | 1997-11-11 | United Technologies Corporation | Coated planet gear journal bearing and process of making same |
US6223316B1 (en) | 1998-05-27 | 2001-04-24 | Nec Usa, Inc. | Vector restoration using accelerated validation and refinement |
US6223616B1 (en) * | 1999-12-22 | 2001-05-01 | United Technologies Corporation | Star gear system with lubrication circuit and lubrication method therefor |
US7021042B2 (en) * | 2002-12-13 | 2006-04-04 | United Technologies Corporation | Geartrain coupling for a turbofan engine |
US6964155B2 (en) | 2002-12-30 | 2005-11-15 | United Technologies Corporation | Turbofan engine comprising an spicyclic transmission having bearing journals |
US7104918B2 (en) * | 2003-07-29 | 2006-09-12 | Pratt & Whitney Canada Corp. | Compact epicyclic gear carrier |
US7726113B2 (en) * | 2005-10-19 | 2010-06-01 | General Electric Company | Gas turbine engine assembly and methods of assembling same |
US7882693B2 (en) * | 2006-11-29 | 2011-02-08 | General Electric Company | Turbofan engine assembly and method of assembling same |
US8191352B2 (en) | 2008-12-19 | 2012-06-05 | General Electric Company | Geared differential speed counter-rotatable low pressure turbine |
US8517672B2 (en) | 2010-02-23 | 2013-08-27 | General Electric Company | Epicyclic gearbox |
US20130186058A1 (en) | 2012-01-24 | 2013-07-25 | William G. Sheridan | Geared turbomachine fan and compressor rotation |
US8261527B1 (en) | 2012-01-31 | 2012-09-11 | United Technologies Corporation | Gas turbine engine with geared turbofan and oil thermal management system with unique heat exchanger structure |
US9850821B2 (en) * | 2012-02-28 | 2017-12-26 | United Technologies Corporation | Gas turbine engine with fan-tied inducer section |
US9103227B2 (en) * | 2012-02-28 | 2015-08-11 | United Technologies Corporation | Gas turbine engine with fan-tied inducer section |
US8484942B1 (en) | 2012-05-30 | 2013-07-16 | United Technologies Corporation | Planetary gear system arrangement with auxiliary oil system |
JP6254683B2 (ja) * | 2013-05-08 | 2017-12-27 | ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation | アライメント不整が改善されたファン駆動歯車システム |
US10280843B2 (en) | 2014-03-07 | 2019-05-07 | United Technologies Corporation | Geared turbofan with integral front support and carrier |
-
2015
- 2015-02-03 US US14/612,514 patent/US11067005B2/en active Active
-
2016
- 2016-02-03 EP EP23189066.6A patent/EP4242442A3/fr active Pending
- 2016-02-03 EP EP16154045.5A patent/EP3054139B8/fr active Active
-
2021
- 2021-06-17 US US17/350,697 patent/US11927138B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5010729A (en) * | 1989-01-03 | 1991-04-30 | General Electric Company | Geared counterrotating turbine/fan propulsion system |
US6381948B1 (en) * | 1998-06-26 | 2002-05-07 | Mtu Aero Engines Gmbh | Driving mechanism with counter-rotating rotors |
US8297916B1 (en) * | 2011-06-08 | 2012-10-30 | United Technologies Corporation | Flexible support structure for a geared architecture gas turbine engine |
WO2014011245A2 (fr) * | 2012-03-23 | 2014-01-16 | United Technologies Corporation | Agencement de système d'engrenage planétaire ayant un système d'huile auxiliaire |
US20140271135A1 (en) * | 2013-03-15 | 2014-09-18 | United Technologies Corporation | Turbofan Engine Bearing and Gearbox Arrangement |
Also Published As
Publication number | Publication date |
---|---|
US20210310421A1 (en) | 2021-10-07 |
EP4242442A2 (fr) | 2023-09-13 |
EP3054139B8 (fr) | 2023-09-06 |
EP3054139A1 (fr) | 2016-08-10 |
US11927138B2 (en) | 2024-03-12 |
US11067005B2 (en) | 2021-07-20 |
EP3054139B1 (fr) | 2023-08-02 |
US20160222888A1 (en) | 2016-08-04 |
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Legal Events
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F02C 7/36 20060101ALI20231016BHEP Ipc: F02C 7/06 20060101ALI20231016BHEP Ipc: F02C 3/107 20060101ALI20231016BHEP Ipc: F02K 3/06 20060101AFI20231016BHEP |